Linux-Networking Digest #526, Volume #12 Thu, 9 Sep 99 11:13:33 EDT
Contents:
Re: Redhat Network Problem (hamka hj suleiman)
Re: Linux vs. Mac OS8.5/AppleShare6.1 (Steve Bougerolle)
mysterious ways of ipopd (Frank Joerdens)
icmp reply problem on home network (James Hunt)
Re: setting up apache web server -- newbie grovel ("Frank M.G. Jørgensen")
second ethernet-card ? (Sebastian Koball)
Telneting from RH6 to a 3Com Office Connect 531 (Chris Gorringe)
Re: Ftp Server (NGUYEN-DAI Quy)
Redhat 6.0 & PPP Question ("Rob Martin")
Re: Finding ppp0 IP (dynamic) in a C program (James Andrews)
Re: second ethernet-card ? (Raf Meeusen)
Re: DHCPCD help ! (Michael Rozhavsky)
Re: IPChains and FTP (bill davidsen)
Samba nmbd daemon problem (InHwan Kim)
ftp ("netaxs")
Re: Firewalling/IPCHAINS question. (bill davidsen)
Re: ICQ server on Linux (midknite)
Samba nmbd daemon problem (InHwan Kim)
Samba nmbd daemon problem (InHwan Kim)
FTP over Linux from WINNT? ("Thomas Meyer-Piton")
Re: setting up networking w/ win98 computers (midknite)
Re: ftp (midknite)
something wicked happened (midknite)
----------------------------------------------------------------------------
From: hamka hj suleiman <[EMAIL PROTECTED]>
Subject: Re: Redhat Network Problem
Date: Thu, 09 Sep 1999 19:56:57 +0800
julia,
it might be ur gateway is incorrectly set.
------------------------------
From: [EMAIL PROTECTED] (Steve Bougerolle)
Crossposted-To: comp.os.linux.hardware,comp.os.linux.powerpc
Subject: Re: Linux vs. Mac OS8.5/AppleShare6.1
Date: Thu, 9 Sep 1999 19:47:03 +0800
In article <[EMAIL PROTECTED]>,
[EMAIL PROTECTED] says...
Anyway, I would like to find out what would be some good reasons for me
to
>consider Linux over Mac OS? Right now the only arsenal I have against
Mac
>is Linux's stability as a file server software. I need all the input
that
>ya'll are willing to share.
With Linux you can run Netatalk and set up an IP file server which will
nicely do the job of Apple's commercial product (probably faster, in
fact), for no cost.
--
Steve Bougerolle
[EMAIL PROTECTED]
PO Box 79146, Mong Kok Post Office, HONG KONG
http://home.pacific.net.hk/~steveb
------------------------------
From: Frank Joerdens <[EMAIL PROTECTED]>
Subject: mysterious ways of ipopd
Date: Thu, 09 Sep 1999 14:24:55 +0200
the man page of ipopd is extremely short. i'd like to get more of an
idea as to how it all works.
my current problem is: i am using netscape mail on a windows machine to
fetch mail from a redhat 5.2 box. my understanding of the pop3 protocol
is that it doesn't understand any read/unread status and thus only
delivers the mails under /var/spool/mail/. however, it seems that my
ipopd also accesses the mails stored in ~/mbox, but netscape only gets
those which are unread. there is also a mail in mbox which is called
FOLDER INTERNAL DATA . . . and is written by the MAILER-DAEMON. maybe
this file stores information as to which mails have been accessed and
which haven't??? how does ipopd access ~/mbox? where can i find more
documentation?
thanks
frank
------------------------------
From: James Hunt <[EMAIL PROTECTED]>
Crossposted-To: comp.os.linux.setup
Subject: icmp reply problem on home network
Date: Thu, 09 Sep 1999 13:25:27 +0100
This is a multi-part message in MIME format.
==============18C61961B5CB3AC428ED5105
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I have set up a home network consisting of 2 linux machines connected together
via an RJ45 cable with a cross-over:
Machine 1 (desktop: 192.168.1.1) running RH6.0 (2.2.2-15 kernel) with ipchains
disabled
(ipchains -L shows ACCEPT for all routes).
Machine 2 (laptop: 192.168.1.9) running TomsRtBt microLinux (2.0.36 kernel).
Both machines are using a 3Com Etherlink III card; machine 2 (a laptop) is using
the pcmcia version of it.
Both machines have 1 configured eth0 interface which is operating fine
(ifconfig/netstat show packets being received and send with no errors). Both
machines have 2 routes; 1 for localhost, and one for the 192.168.1.0 network.
The crunch is that ping'ing either machine results in no ping output (no errors
- nada!). Running tcpdump on 192.168.1.1 shows that the packets are coming in
OK, but no ICMP echo replies are being sent out from either machine being
ping'ed. Also of interest is that tcpdump is showing I'm getting bad checksums,
and it thinks the packets are flying between machines 192.168.0.1 and
192.168.0.9 ?!!?!????
In desparation I tried running muLinux (2.0.36 kernel) on 192.168.1.1 with the
same routing table and network interface setup as the RH6.0 installation, and
then the ping works fine to/from both machines! telnet, ftp and everything else
also works fine! Can anybody suggest a solution as to why Machine 1 is not
playing ball here?
Thanks in advance,
--
James
[EMAIL PROTECTED]
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version:2.1
email;internet:[EMAIL PROTECTED]
title:Software Engineer
tel;fax:+44 1666 832030
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------------------------------
From: "Frank M.G. Jørgensen" <[EMAIL PROTECTED]>
Subject: Re: setting up apache web server -- newbie grovel
Date: Thu, 9 Sep 1999 14:33:00 +0200
Ronald Piazza wrote in message <7qv1h2$[EMAIL PROTECTED]>...
>Greetings,
>
> I am currently running Redhat 6.0 with apache. I am
>attempting to set up a web server. Could anyone point me
>in the right direction getting started. Such things as
>docs, books, or web sights would be welcome. My sticking
>point involves where my isp comes into play.
>
>Thank You
Get hold of a copy of "Apache, the definitive guide" by B. Laurie
(O'Reilly), it tells you all you need to know to get the server configured
and up and running. It also tells you how to compile your own version of
apache, with the modules you like.
Just running an apache server is not that difficult - keeping it safe from
attacks is the tricky part. The book also deals with this issue.
Frank M. G. Jørgensen
[EMAIL PROTECTED]
------------------------------
From: [EMAIL PROTECTED] (Sebastian Koball)
Subject: second ethernet-card ?
Date: 9 Sep 1999 14:50:02 +0100
se help !
how can i set up a second ethernet-card under linux. i am using red hat linux 5.2
at the moment only one card has benn detected automatically ?
thank you
sebastian.koball(at)stud.uni-rostock.de
------------------------------
From: Chris Gorringe <[EMAIL PROTECTED]>
Subject: Telneting from RH6 to a 3Com Office Connect 531
Date: Thu, 09 Sep 1999 12:31:13 GMT
With Redhat 5.1 and 5.2, we have no problem telneting to 3Com Office
Connect routers. With 6.0, we can telnet to other hosts but not to 3Com OC
routers. We have tried 3 different routers and 4 different installations
of RH 6.0.
Using a packet analyzer, the problem looks like the fact that the structure
of the SYN packet to start the conversation is larger on 6.0 than 5.x. On
6.0, the diffences appear to be that the SYN flag is a Handshake Request
(A002) and a larger number of Option bytes and on 5.x, the SYN flag is a
Handshake Request (6002) and only 4 bytes of Option data.
I have included the two packet traces; the one with just a single packet is
the RedHat 6.0 - it repeats the packet a number of times, and the other one
is from RedHat 5.1.
Can you tell me what I need to change to get this to work. I have a feeling
that it maybe something that I have to change in the kernel config.
We have the latest firmware versions in the 3Com boxes (6.03a)
>From RedHat 6.0
*******************
================== Posted via CNET Linux Help ==================
http://www.searchlinux.com
------------------------------
From: NGUYEN-DAI Quy <[EMAIL PROTECTED]>
Subject: Re: Ftp Server
Date: Thu, 09 Sep 1999 15:18:10 +0200
Rivi wrote:
>
> I'm really new on linux and i really know very little...
>
> Could you tell me how to st up the ftp server on a slackware version?
> It is installed but i have no idea of how to have it charged and running
>
> Thanks
Try wu-ftpd
--
NGUYEN-DAI Quy (http://bobo.ltas.ulg.ac.be/~quy)
"The software said it requires Win95 or better, so I installed Linux"
------------------------------
From: "Rob Martin" <[EMAIL PROTECTED]>
Subject: Redhat 6.0 & PPP Question
Date: Thu, 9 Sep 1999 08:19:14 -0500
Hello all, especially those with answers!
I'm running Redhat 6.0 on Intel, and I've managed to get a PPP connection
(apparently) going using pppd and a chatscript. Phew!
However, once I have a connection that looks good (my system log ends with
"Connect: ppp0 <--> /dev/ttyS0") and try it with Netscape, I find I can't go
anywhere today. (Sorry for the Micro$oft allusion!)
Trying ping to my remote host works, generally in about 300 msecs (some
going to 12000 or more msecs).
Going back to my system log, I consistently find several entries 5 secs
after the "Connect: ppp0 <--> /dev/ttyS0" that go like this:
modprobe: can't locate module ppp-compress-21
modprobe: can't locate module ppp-compress-26
modprobe: can't locate module ppp-compress-24
On some occasions they repeat three or four times in the same sequence.
Anyone familiar with this problem? Any ideas?
Incidently, I'm using a CNet external V.90 modem, and I don't have much of a
init string on it...right now just AT&F&K3 (although I also tried simply
ATZ).
Regards to all (and again, especially the ones who can help me!!),
Rob Martin
------------------------------
From: James Andrews <[EMAIL PROTECTED]>
Crossposted-To: comp.os.linux.setup,comp.os.linux
Subject: Re: Finding ppp0 IP (dynamic) in a C program
Date: Thu, 09 Sep 1999 13:18:54 +0000
I'm not entierly sure what you are intending to do, but if you post your
shell script that does it, I'm sure I could tell you how to in C/C++,
James
PS:
tried getenv("HOSTNAME");
once connected?
------------------------------
From: Raf Meeusen <[EMAIL PROTECTED]>
Subject: Re: second ethernet-card ?
Date: Thu, 09 Sep 1999 13:17:49 +0000
Sebastian Koball wrote:
>
> se help !
> how can i set up a second ethernet-card under linux. i am using red hat linux 5.2
> at the moment only one card has benn detected automatically ?
> thank you
> sebastian.koball(at)stud.uni-rostock.de
I've put the line
modprobe -t net \ne.o io=0x320,0x340
in /etc/rc.d/rc.modules in order to have linux detect 2 NIC's.
(where 0x320 and 0x340 are I/O addresses of the cards)
Raf
------------------------------
Date: Thu, 09 Sep 1999 15:00:32 +0200
From: Michael Rozhavsky <[EMAIL PROTECTED]>
Crossposted-To: comp.os.linux.portable
Subject: Re: DHCPCD help !
When I configured my dhcpd I red that there a bug in dhcp client in
Window 95, something about broadcasting back the answers from the
client. Unfortunetly I don't know exactly what the problem is.
Hope this will be good start point .
[EMAIL PROTECTED] wrote:
>
> I'm having trouble connecting to my school's
> network. I know to use dhcpcd, and it sends
> packets fine, but it doesn't receive any
> packets. anyone know where I can get some help
> for this? I'm really sick of using windows.
> Thanks in advance
>
> Jon Roop
>
> Sent via Deja.com http://www.deja.com/
> Share what you know. Learn what you don't.
------------------------------
From: [EMAIL PROTECTED] (bill davidsen)
Subject: Re: IPChains and FTP
Date: 9 Sep 1999 13:07:39 GMT
In article <[EMAIL PROTECTED]>,
Rick Orwig <[EMAIL PROTECTED]> wrote:
| I thought that should work too. I had tried:
| # the below 2 lines had no effect
| ipchains -A forward -p tcp -s 0.0.0.0/0 ftp -d 10.0.0.1 -j REJECT
| ipchains -A forward -p tcp -s 0.0.0.0/0 ftp-data -d 10.0.0.1 -j REJECT
I think you have the ports ass-backwards (no hard to do if you don't
think about this stuff a lot...). You are rejecting connects to the ftp
ports on the internal machines, which are not going to work anyway,
since they are masqueraded. Change the rule like this:
ipchains -A input -j REJECT -s 10.0.0.0/8 -d 0/0 ftp
which says to reject packets from your internal side to anywhere using
ftp. I assume that's what you want, no one should be able to reach the
masqueraded machines by their real IP, assuming you are dropping source
routed packets in the kernel and always derfragmenting packets (which
you need for both masquerade and security).
Why is that an option in the kernel instead of firewall rules???
Um, just to be sure, drop any packets to or from the non-routable
addresses on the external connect, like:
ipchains -A input -i ppp0 -l -j DENY -s 10.0.0.0/8
ipchains -A input -i ppp0 -l -j DENY -d 10.0.0.0/8
Note that I included "-l" to log this stuff! Yes, I am a devout
fundimentalist paranoid.
--
bill davidsen <[EMAIL PROTECTED]> CTO, TMR Associates, Inc
"So let it be written, so let it be dumb." Pharaoh Dufus the last...
------------------------------
From: InHwan Kim <[EMAIL PROTECTED]>
Crossposted-To: comp.protocols.smb
Subject: Samba nmbd daemon problem
Date: Thu, 09 Sep 1999 22:44:34 +0900
hi,
I installed Samba package on linux box, redhat 6.0.
According to SMB-HOWTO, I configured some files, as follows ;
/etc/smb.conf
/etc/inetd.conf
and some symbolic links...
And then, I started two daemons.
# ./smb start
But following messages was occured..
Starting SMB services: [ OK ]
Starting NMB services: [FAILED]
and no daemons was executed.
Help...
What's the problem?
Is there anything I missed?
Thank you, in advance.
-Hwan
------------------------------
From: "netaxs" <[EMAIL PROTECTED]>
Subject: ftp
Date: Wed, 8 Sep 1999 15:30:02 -0400
Reply-To: "netaxs" <[EMAIL PROTECTED]>
I'm having a wierd problem with my ftp server. I can anonymous ftp into it
using the command line in windows or from a unix box but if I try to use a
gui ftp client, it logs in but nothing shows up. If I log on as a user it
works fine. Any ideas?
--
Jason Schadel
home: [EMAIL PROTECTED]
work: [EMAIL PROTECTED]
------------------------------
From: [EMAIL PROTECTED] (bill davidsen)
Subject: Re: Firewalling/IPCHAINS question.
Date: 9 Sep 1999 14:02:51 GMT
In article <1nVz3.3828$[EMAIL PROTECTED]>,
Valentine Murzenok <[EMAIL PROTECTED]> wrote:
| go to
| http://www.nerdherd.net/ipchains/
| and download archive with 3 scripts from there....
| edit and put one of them into /etc/ppp/ip-up.d
| and it will be exectured every time connection is up ....
| because if you are going to put fireweall rules in rc.local, they will be
| excetued at bootup, and if you have dynamic IP, then it makes no sense to
| create ipchains rules at boot up
Your advice is good, but IP is not needed:
ipchains -F input
ipchains -A input -i ppp0 -p icmp -j DENY
ipchains -A input -i ppp0 -p udp -j DENY
ipchains -A input -i ppp0 -p tcp -y -l -j DENY
Okay, I put -l on tcp so I can watch the little shits and notify their
ISP...
You need to compile with always defragment for security reasons.
Note: this will also be a problem with ftp, you will need the passive
option.
--
bill davidsen <[EMAIL PROTECTED]> CTO, TMR Associates, Inc
"So let it be written, so let it be dumb." Pharaoh Dufus the last...
------------------------------
From: midknite <[EMAIL PROTECTED]>
Subject: Re: ICQ server on Linux
Date: Thu, 09 Sep 1999 09:41:04 -0400
Jimmy Lio wrote:
>
> Any idea if such thing exists on Linux? If it does, where can I
> download it?
I don't know of any such thing, but that doesn't mean it doesn't
exist. It probably doesn't because ICQ doesn't use a distributed
system for their databases, meaning that everything is stored on their
server, not spread around on lots of servers.
--
brian kowolowski
gpg key / infos http://www.cryogen.com/midknite/gpg.html
gpg print: F6B6 076D 4BFC CD14 7C14 1A2F 61DA BDE5 7A88 D6C3
------------------------------
From: InHwan Kim <[EMAIL PROTECTED]>
Crossposted-To: comp.protocols.smb
Subject: Samba nmbd daemon problem
Date: Thu, 09 Sep 1999 22:45:49 +0900
hi,
I installed Samba package on linux box, redhat 6.0.
According to SMB-HOWTO, I configured some files, as follows ;
/etc/smb.conf
/etc/inetd.conf
and some symbolic links...
And then, I started two daemons.
# ./smb start
But following messages was occured..
Starting SMB services: [ OK ]
Starting NMB services: [FAILED]
and no daemons was executed.
Help...
What's the problem?
Is there anything I missed?
Thank you, in advance.
-Hwan
------------------------------
From: InHwan Kim <[EMAIL PROTECTED]>
Crossposted-To: comp.protocols.smb
Subject: Samba nmbd daemon problem
Date: Thu, 09 Sep 1999 22:46:55 +0900
hi,
I installed Samba package on linux box, redhat 6.0.
According to SMB-HOWTO, I configured some files, as follows ;
/etc/smb.conf
/etc/inetd.conf
and some symbolic links...
And then, I started two daemons.
# ./smb start
But following messages was occured..
Starting SMB services: [ OK ]
Starting NMB services: [FAILED]
and no daemons was executed.
Help...
What's the problem?
Is there anything I missed?
Thank you, in advance.
-Hwan
------------------------------
From: "Thomas Meyer-Piton" <[EMAIL PROTECTED]>
Subject: FTP over Linux from WINNT?
Date: Thu, 9 Sep 1999 15:49:52 +0100
hi folks,
I use my Linux box as an Internet Proxy. I have some winnt mashines attached
to it. I am able to get into the Internet and download files through ftp
from the browser. But I don't know what to do to use a FTP-client programm
on my windows maschine and connect through the linux box to my website. I
tried it with IPchains but it seems that I am to stupid to get it to work -
jeah, I know, I am a windows user...
Please tell me exact what to type in :-)
--
Sincerly / Mit freundlichen Gruessen
Thomas Meyer-Piton, MCP
------------------------------
From: midknite <[EMAIL PROTECTED]>
Subject: Re: setting up networking w/ win98 computers
Date: Thu, 09 Sep 1999 09:45:55 -0400
root wrote:
>
> I'm very new to linux and am trying to allow windows computers access
> to certain files. How would I go about doing this. I'm using Suse linux
> 6.1. I know that some things are working because I'm sending this with
> netscape for linux, and I had one of my friend login with telnet. Well
> thanx in advance for any links and additional help.
this depends on how you want to access them. if you want to ftp from
windows, read the docs for the ftp server you use. if you want
netbios access (ie. through network neighborhood) then get samba from
http://www.samba.org
read the docs, install, read the docs, voila - your files are
accessible
--
brian kowolowski
gpg key / infos http://www.cryogen.com/midknite/gpg.html
gpg print: F6B6 076D 4BFC CD14 7C14 1A2F 61DA BDE5 7A88 D6C3
------------------------------
From: midknite <[EMAIL PROTECTED]>
Subject: Re: ftp
Date: Thu, 09 Sep 1999 09:57:09 -0400
I don't know if this will solve your problem, but my ~ftp directory
has everything except '..' group-owned by wheel, not ftp. if you have
a wheel group on your system (you might not, i don't know) you might
try changing these to wheel. consult your /etc/group file for a list
of valid groups.
my ls -al looks something like this:
drwxr-xr-x 7 root wheel 1024 Aug 1 1994 .
drwxr-xr-x 4 root root 1024 Sep 3 15:07 ..
drwxr-xr-x 2 root wheel 1024 Aug 7 1998 bin
drwxr-xr-x 2 root wheel 1024 Aug 30 1993 etc
drwxr-xr-x 2 root wheel 1024 Dec 3 1993 incoming
drwxr-xr-x 2 root wheel 1024 Nov 16 1993 lib
drwxr-xr-x 6 root wheel 1024 Aug 30 1993 pub
drwxr-xr-x 6 root wheel 1024 Aug 30 1993 usr
"news4.bellatlantic.net" wrote:
>
> I'm having some wierd problems with anonymous ftp. I can anonymous ftp from
> unix boxes and the command line in windows. If I try any gui ftp client on
> mac or pc it logs in but doesn't show anything. I think it may have
> something to do with the permissions. Here's the ls -al of the ftp
> directory.
>
> drwxr-xr-x 7 root root 1024 Aug 4 14:26 .
> drwxrwxrwx 4 root root 1024 Sep 6 21:32 ..
> drwxr-xr-x 2 ftp ftp 1024 Jan 20 1999 bin
> drwxr-xr-x 2 ftp ftp 1024 Jan 20 1999 etc
> drwxr-xr-x 2 ftp ftp 1024 Jan 20 1999 lib
> drwxr-xr-x 2 ftp ftp 12288 Jun 12 15:52 lost+found
> drwxr-xr-x 6 root ftp 1024 Sep 7 19:09 pub
--
brian kowolowski
gpg key / infos http://www.cryogen.com/midknite/gpg.html
gpg print: F6B6 076D 4BFC CD14 7C14 1A2F 61DA BDE5 7A88 D6C3
------------------------------
From: midknite <[EMAIL PROTECTED]>
Subject: something wicked happened
Date: Thu, 09 Sep 1999 10:00:54 -0400
I'm getting lots of these in my syslog:
Sep 6 18:28:47 x2506 kernel: eth0: Something Wicked happened! 2008.
Sep 6 18:28:48 x2506 kernel: eth0: Something Wicked happened! 2008.
Sep 6 19:53:26 x2506 kernel: eth0: Something Wicked happened! 2008.
Sep 6 19:59:08 x2506 kernel: eth0: Something Wicked happened! 2008.
Sep 6 19:59:56 x2506 kernel: eth0: Something Wicked happened! 2008.
Sep 6 20:28:12 x2506 kernel: eth0: Something Wicked happened! 2008.
what do these mean? how can I shut it off? it's really annoying...
thanks,
--
brian kowolowski
gpg key / infos http://www.cryogen.com/midknite/gpg.html
gpg print: F6B6 076D 4BFC CD14 7C14 1A2F 61DA BDE5 7A88 D6C3
------------------------------
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